LTC1516
TYPICAL APPLICATIONS
N
Fault-Protected SIM Interface Supply for
GSM Cellular Phones
0.1µF
3V
1
C1
+
C1
–
8
3
6
5
10µF
1
C1
+
C1
–
8
3
240Ω
6
5
0.22µF
2.2µF
Q1
Q2
3.3k
**
*
10µF
– V
OUT
= –1.4V TO – 3V
– I
OUT
= 5mA
8.2k
2 V
IN
+
V
OUT
LTC1516
7
SHDN
GND
10µF 4 C2
+
0.1µF
C2
–
GSM
CONTROLLER
V
CC
RST
LEVEL SHIFT
CLK
I/O
GND
1516 • TA02
SIM CARD
*CENTRAL SEMICONDUCTOR CMPSH-35 DUAL SCHOTTKY
**OPTIONAL CIRCUITRY FOR MAINTAINING – V
OUT
AT LOW V
OUT
LOADS
Q1, Q2: 2N3904
PACKAGE DESCRIPTION
Dimensions in inches (millimeters) unless otherwise noted.
S8 Package
8-Lead Plastic Small Outline (Narrow 0.150)
(LTC DWG # 05-08-1610)
0.189 – 0.197*
(4.801 – 5.004)
0.010 – 0.020
×
45°
(0.254 – 0.508)
0.008 – 0.010
(0.203 – 0.254)
0.053 – 0.069
(1.346 – 1.752)
0°– 8° TYP
0.228 – 0.244
(5.791 – 6.197)
0.150 – 0.157**
(3.810 – 3.988)
0.004 – 0.010
(0.101 – 0.254)
8
7
6
5
0.016 – 0.050
0.406 – 1.270
0.014 – 0.019
(0.355 – 0.483)
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.050
(1.270)
BSC
SO8 0695
1
2
3
4
RELATED PARTS
PART NUMBER
LT
®
1054
LTC1144
LTC1261
LTC1262
LTC1550/51
DESCRIPTION
100mA Switched Capacitor Converter
20mA Switched Capacitor Converter for Up to 20V Inputs
Positive to Negative Regulated Switched Capacitor Converter
5V to 12V Regulated Switched Capacitor Converter
Low Noise Switched Capacitor Regulated Converter
COMMENTS
Includes Reference and Amplifier for Regulation
Includes Micropower Shutdown (8µA)
Low Noise (5mV) Output for Up to 10mA Loads
Up to 30mA at Regulated Output
Provides – 4.1V at 20mA with <1mV Ripple
LT/GP 0796 7K • PRINTED IN USA
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
q
FAX
: (408) 434-0507
q
TELEX
: 499-3977
©
LINEAR TECHNOLOGY CORPORATION 1996
+
U
U
+
Generating 5V and a Negative Supply
0.1µF
V
OUT
= 5V
±
4%
I
OUT
= 20mA,V
IN
≥
2V
I
OUT
= 50mA, V
IN
≥
3V
10µF
V
OUT
= 5V
±4%
I
OUT
= 40mA
ON/OFF
V
IN
2V TO 5V
7
+
SHDN
V
OUT
LTC1516
2
V
IN
GND
4
C2
+
0.1µF
C2
–
1516 • TA03
LINER [ LINEAR TECHNOLOGY ]
